Home / 3,478,670.10-5,218,005.15-1,682,414.10

Finding the Fourth Proportional to 3,478,670.10, 5,218,005.15 and 1,682,414.10

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Solution

The fourth proportional to 3,478,670.10, 5,218,005.15 and 1,682,414.10 is: 2,523,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,670.10 : 5,218,005.15 = 1,682,414.10 : x
  2. Step 2: Convert to fraction form
    3,478,670.10/5,218,005.15 = 1,682,414.10/x
  3. Step 3: Cross multiply
    3,478,670.10x = 5,218,005.15 × 1,682,414.10
  4. Step 4: Simplify right side
    3,478,670.10x = 8,778,845,438,232.62
  5. Step 5: Solve for x
    x = 8,778,845,438,232.62/3,478,670.10
  6. Step 6: Final answer
    x = 2,523,621.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.